13013227798 has 4 divisors (see below), whose sum is σ = 19519841700. Its totient is φ = 6506613898.

The previous prime is 13013227793. The next prime is 13013227819. The reversal of 13013227798 is 89772231031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013227793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253306948 + ... + 3253306951.

It is an arithmetic number, because the mean of its divisors is an integer number (4879960425).

Almost surely, 2^13013227798 is an apocalyptic number.

13013227798 is a deficient number, since it is larger than the sum of its proper divisors (6506613902).

13013227798 is an equidigital number, since it uses as much as digits as its factorization.

13013227798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506613901.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 13013227798 in words is "thirteen billion, thirteen million, two hundred twenty-seven thousand, seven hundred ninety-eight".